#641917#641917

#641917 is a dark, moderate red. Relative luminance 0.035; OKLCH L 33.9% C 0.108 H 26.3°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#641917
RGB	rgb(100, 25, 23)
HSL	hsl(2, 63%, 24%)
HSV	hsv(2, 77%, 39%)
CMYK	cmyk(0%, 75%, 77%, 60.8%)
CIE-LAB	lab(21.83, 33.34, 21.00)
CIE-LCH	lch(21.83, 39.40, 32.21°)
OKLab	oklab(33.89% 0.0966 0.0477)
OKLCH	oklch(33.89% 0.108 26.3)
XYZ	xyz(5.7585, 3.4673, 1.1765)
Luminance	0.0347 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641917 #176264

analogous

#64173C #641917 #644017

triadic

#641917 #176419 #191764

tetradic

#641917 #3C6417 #176264 #401764

square

#641917 #3C6417 #176264 #401764

split-complementary

#641917 #176440 #173C64

monochromatic

#190606 #320D0C #641917 #962522 #C8322E

Accessibility & contrast

On white

12.40

#641917 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#641917 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641917

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641917	#FFFFFF	#000000	##FFFFFF
##641917	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2A16

Deuteranopia (green-blind)

#413A14

Tritanopia (blue-blind)

#6F0119

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #641917;
/* rgb */ color: rgb(100, 25, 23);
/* oklch */ color: oklch(33.9% 0.108 26.3);

Tailwind

colors: {
  custom: {
    50: '#975b54',
    500: '#641917',
    950: '#000000',
  },
}

SCSS

$custom: #641917;
$custom-light: #975b54;
$custom-dark: #000000;

JSON

{
  "hex": "#641917",
  "rgb": {
    "r": 100,
    "g": 25,
    "b": 23
  },
  "hsl": {
    "h": 1.558,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.33892,
    "c": 0.10775,
    "h": 26.3
  },
  "luminance": 0.03466
}

Semantic roles & 50–950 ramp

primary

#641917

secondary

#3C989A

accent

#E1E642

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #641917

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →